Culvert



C. V. JOSEPH.

CULVERT.

APPLICATION FiLED APR. 17, 1922.

1 ,%31 ,003. Patented Oct. 3, 1922.

ra r1. K M q l aterited @ct. ill, lQZZ ,1 Aila ers CHESTER V. JOSEPH, 0F LIGONIER, ZNDIANA, ASSIGNOE 'it) EEGHWAY IEGN PRQDUCTS CGMPANY, 315f LIGGNIEB, TELHIDIANA, 1a GURPORA'XIQN OF INDIANA.

CULVERT.

Application filed April 1'3, 1922.

dent of Ligonier, in the county of Noble and State of Indiana, have invented certain new and useful Improvements in (iulverts; and I do hereby declare that the following is a full, clear, and exact description thereof, reference being had to the accompanying drawings, and to the characters of reference marked thereon, which form a part oi this specification.

This invention relates to improvement in culverts for use under roadways, railway rights of Way, and like places as conduits for running water, and the invention re lates more particularly to a type of culvert comprising lower cast metal sections and upper sheet metal sections seated on and connected to the cast metal sections.

The object of the invention is to improve and simplify culverts of this type, and the invention consists in the combination and arrangement of the parts shown in the drawlugs and described in the specification, and is pointed out in the appended claims.

In the drawings:

. Figure l is a plan view of a section of culvert embodying my invention.

Figure 2 is a cross section on the line 2-2 of Figure 1, on an enlarged scale.

Figure 3 is a detail section on the line 3-3 of Figure 2.

Figure t is an enlarged, fragmentary side view of the culvert.

A culvert embodying my invention comprises a plurality of lower, cast iron sections U) of general half cylindric or troughlike form, and a plurality of half cylindrio, sheet metal sections 11, which are marginally lapped at their lower edges on and are sup-- ported from the upper edges of the cast metal sections. Said sheet metal sections, in turn, endwise overlap each other. The in dividual cast metal sections are made longer than the individual sheet metal sections, so,

that when the cast metal and sheet metal sections are assembled a sheet metal section will extend beyond the end of its associated cast metal section for overlapping engage ment with a sheet metal section of an ad jacent cast metal section.- Thus the joints between the sheet metal sections are out of line with or staggered with respect to the. joints between the cast metal sections.

and to the cast metal sections.

serial No. 553,417.

Thelower cast metal sections, preferably made of cast iron, are joined at their ends by means of exterior curved ribs 12, one at one end oi each section, and complementally curved recesses 13 formed in a thickened extension 14- of an adjoining cast metal section. in practice, each cast metal section will be shaped at one end to provide a rib 12 and at its other end to provide an extension having a groove 13, so that said sections may be endwise reversed and used in-' terchangeably.

The said cast metal sections areprovided just below their upper edges with longitudinal supporting ledges 15, on Which-the lower edges of thepart cylindric sheet metal sectionsrest and by which they are supported. The inner sides of the cast metal sections, above said ledges 15, are provided with flute-like formations 16 to fit the corrugations 17 of the sheet metal sections and thereby hold the sheet metal sections fixed from longitudinal displacement with respect to the cast metal sections.

The adjacent ends of the sheet metal sections overlap, as with the corrugations of one section interfitting with the corrugations of an adjoining section. The length of overlap of said ends of the sheet metal sections preferably embrace a full valley of each overlapping section and a portion or a full hill at the sides thereof, as indicated in Figure 3. This particular detail of overlapping, llOWBYQI, may be varied, it being the purpose to suliiciently overlap the sheet metal sections to produce good joints thereat and to stagger these joints witlrrespect to the joints between the cast metal sections.

Any suitable means may be employed for fastening the sheet metal sections together As herein shown, I employ U-shaped clamping memhers 18 which are arranged to lie in the mtermediate valleys at the overlapping parts of the sheet metal sections. The arms of said clamping members extend dorm beyond the sheet metal sections and through lugs 19 cast on the outer sides of the cast metal sections, and nuts 20 threaded to the ends of said arms clamp the sheet metal sections against the supporting ledges 15 and clamp the sheet metal sections together at their overlapping parts.

With the construction described patterns for the cast metal sections may be mrmshed to the user who can have the cast metal sections made at a local foundry, the manufacturer only being required to furnish the bowed or concave corrugated sections and the clam s.

The Nb and groove connection of the cast metal sections constitute means for firmly joining them together in the field, and the connection of the sheet metal sections to the cast metal sections can be very firmly made by unskilled labor. By reason of the overlapping of the sheet metal sections no special connecting bands are required. Furthermore, the sheet metal sectionsmay be very economically shipped inasmuch as they are of short lengths and can be nested one in the other.

I claim as my invention:

1. A culvert comprising a plurality of cast metal, part cylindric bottom sections and a plurality of part cylindric, corrugated, sheet metal, top sections, the bottom sections being formed at their upper margins with grooves to match the corrugations at the lower edges of the sheet metal sections, and means to fasten the sheet metal to the cast metal sections.

2. A culvert comprising a plurality of cast metal, part cylindric bottom sections and a plurality of part cylindric, corrugated, sheet metal top sections, the bottom sections being formed with short corrugations to match and receive the corrugations at the lower edges of the sheet metal sections, and provided below said corrugations with internal supporting ledges on which the sheet metal sections are supported, and means to fasten the sheet metal to the cast metal sections.

3. A culvert comprising a plurality of cast metal, part cylindric bottom sections and a plurality of part cylindric, corrugated, sheet metal top sections, the bottom sections being formed with short corrugations to match and receive the corrugations at the lower edges of the sheet metal sections, and pro vided below said corrugations with internal supporting ledges on which the sheet metal sections are supported, means to interlock the ends of said cast metal section from endwise separation, and means to fasten the sheet metal to the cast metal sections and to each other.

4. A culvert comprising a plurality of cast metal, part cylin ric bottom sec n and a plurality of part cylindric, corrugated sheet metal, top sections, the bottom sections being formed at their top edges with short corrugations to match and receive the corrugations at the bottom edges of the sheet metal sections, and with ledges and clamping means laid over said sheet metal sections and engaging means on the cast metal sections to clamp said sheet metal sections on the ledges and thereby fasten the upper and lower sections together.

5. Aculvert comprising a plurality of cast metal, part cylindric bottom sections and a plurality of part cylindric, corrugated, sheet metal, top sections fitted to and supported at their lower margins to the top margins of the cast metal sections, and U-shaped clamp members laid over the corrugated sheet metal sections and lying along and engaging at their ends lugs on the sides of said cast metal sections, and nuts threaded to the ends of said arms and bearing against said lugs.

6. A culvert comprising a plurality of cast metal, part cylindric bottom sections and a plurality of part cylindric, corrugated, sheet metal, top sections, the bottom sections being formed at their upper margins with grooves to match the corrugations at the lower edges of the sheet metal sections, and means to fasten the sheet metal to the cast metal sections, said cast bottom and sheet metal top sections being made of such relative lengths that the sheet metal sections extend .beyond the ends of the cast metal sections for overlapping engagement with like disposed sheet metal sections of adjoining culvert parts.

7. A culvert comprising a plurality of endwise disposed, cast metal, part cylindric sections provided at their ends with complemental, interlocking ribs and grooves, said sections being provided near their 11 per margins with supporting ledges and a ove said ledges with internal corrugations, and

upper, sheet metal, corrugated sections applied over the cast metal sections and resting on said ledges and fitted in said corrugations, and means to fix the sheet metal sections to the cast metal sections.

In witness whereof I claim the foregoing as my invention, 1 hereunto append my signature this 3 day of April, 1922.

CHESTER V. JGSEPH. 

